Lamar is a city located in South Carolina. With a 2020 population of 930, it is the 154th largest city in South Carolina and the 10627th largest city in the United States. Lamar is currently declining at a rate of -0.64% annually and its population has decreased by -5.97% since the most recent census, which recorded a population of 989 in 2010. Lamar reached it's highest population of 986 in 2010. Spanning over 1 miles, Lamar has a population density of 759 people per square mile.
The average household income in Lamar is $40,221 with a poverty rate of 14.53%. The median rental costs in recent years comes to $663 per month, and the median house value is $90,400. The median age in Lamar is 44 years, 43.4 years for males, and 45.8 years for females. For every 100 females there are 72.2 males.